One-handed ex-jockey Sid Halley works as a private detective, usinghis racing knowledge to solve crimes that baffle the police. InWhip Hand, Sid is asked to investigate possible doping of thehorses of thoroughbred trainer George Casper - whoseonce-successful mounts have been failing spectacularly on the racetrack. At the same time he learns that a conman has left hisex-wife Jenny facing a jail sentence over a fake charity, while theJockey Club want him to look into certain powerful syndicates whomay be acting in a ruthless and illegal manner. Quickly, Siddiscovers that each of his investigations is entirely unwelcome.But he isn't put off easily - not even when a threat is made totake off his remaining good hand. Three dangerous cases, three waysto die - Sid is back on home turf . . .